286   PetscInt      i, j, Mx, My, xs, ys, xm, ym;  in FormInitialGuess()  local
291 …PetscCall(DMDAGetInfo(da, PETSC_IGNORE, &Mx, &My, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNORE, PETSC_…  in FormInitialGuess()
294   hy    = 1.0 / (PetscReal)(My - 1);  in FormInitialGuess()
318     temp = (PetscReal)(PetscMin(j, My - j - 1)) * hy;  in FormInitialGuess()
320       if (i == 0 || j == 0 || i == Mx - 1 || j == My - 1) {  in FormInitialGuess()
330 …        const PetscReal xx = 2 * (PetscReal)i / (Mx - 1) - 1, yy = 2 * (PetscReal)j / (My - 1) - 1;  in FormInitialGuess()
336 …        const PetscReal xx = 2 * (PetscReal)i / (Mx - 1) - 1, yy = 2 * (PetscReal)j / (My - 1) - 1;  in FormInitialGuess()
367   PetscInt      i, j, Mx, My, xs, ys, xm, ym;  in FormRHS()  local
372 …PetscCall(DMDAGetInfo(da, PETSC_IGNORE, &Mx, &My, PETSC_IGNORE, PETSC_IGNORE, PETSC_IGNORE, PETSC_…  in FormRHS()
375   hy = 1.0 / (PetscReal)(My - 1);  in FormRHS()
380       if (i == 0 || j == 0 || i == Mx - 1 || j == My - 1) {  in FormRHS()